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Genesis TDS Calibration Solution Kit Twin Pack, 2 x 16oz.
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Organic Fertilizers
Organic fertilizers can be used on vegetating and flowering plants. Organic Fertilizers are made from the the finest ingredients. Horizen Hydroponics is proud to offer a wide selection of organic growing fertilizers. Learn more about growing organically here.
Hydroponic System Growing Lights!
When growing indoors lighting is key for producing strong yields and bountiful harvests. We offer hydroponic lighting options as well as grow bulbs. You can also build a grow light that allows you to configure based on your space and budget. Package Lighting Deals are also available. Get Growing!
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